CSI Humboldt
Breeder Caleb (Nspecta), a 2nd generation Humboldt grower, is the authority on Chemdog preservation genetics. Ranked #2 in High Times Top 50 Greatest Breeders 2025 with approximately 115 strains. Preserving and refining some of the most important genetics in cannabis history.
Notable Strains
- Chemdog D Gold
- Chem 91 lines
- Purple Urkle preservations
Awards & Recognition
- • #2 High Times Top 50 Greatest Breeders 2025